/*
 * Copyright (c) 1997, 2005, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 *
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 *
 *
 */

package com.sun.java.swing.plaf.windows;

import sun.swing.SwingUtilities2;
import sun.awt.AppContext;

import java.awt.Color;
import java.awt.Graphics;

import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.UIManager;

import javax.swing.plaf.ComponentUI;

import javax.swing.plaf.basic.BasicLabelUI;


/**
 * Windows rendition of the component.
 * <p>
 * <strong>Warning:</strong>
 * Serialized objects of this class will not be compatible with
 * future Swing releases.  The current serialization support is appropriate
 * for short term storage or RMI between applications running the same
 * version of Swing.  A future release of Swing will provide support for
 * long term persistence.
 */
public class WindowsLabelUI extends BasicLabelUI {

  private static final Object WINDOWS_LABEL_UI_KEY = new Object();

  // ********************************
  //          Create PLAF
  // ********************************
  public static ComponentUI createUI(JComponent c) {
    AppContext appContext = AppContext.getAppContext();
    WindowsLabelUI windowsLabelUI =
        (WindowsLabelUI) appContext.get(WINDOWS_LABEL_UI_KEY);
    if (windowsLabelUI == null) {
      windowsLabelUI = new WindowsLabelUI();
      appContext.put(WINDOWS_LABEL_UI_KEY, windowsLabelUI);
    }
    return windowsLabelUI;
  }

  protected void paintEnabledText(JLabel l, Graphics g, String s,
      int textX, int textY) {
    int mnemonicIndex = l.getDisplayedMnemonicIndex();
    // W2K Feature: Check to see if the Underscore should be rendered.
    if (WindowsLookAndFeel.isMnemonicHidden() == true) {
      mnemonicIndex = -1;
    }

    g.setColor(l.getForeground());
    SwingUtilities2.drawStringUnderlineCharAt(l, g, s, mnemonicIndex,
        textX, textY);
  }

  protected void paintDisabledText(JLabel l, Graphics g, String s,
      int textX, int textY) {
    int mnemonicIndex = l.getDisplayedMnemonicIndex();
    // W2K Feature: Check to see if the Underscore should be rendered.
    if (WindowsLookAndFeel.isMnemonicHidden() == true) {
      mnemonicIndex = -1;
    }
    if (UIManager.getColor("Label.disabledForeground") instanceof Color &&
        UIManager.getColor("Label.disabledShadow") instanceof Color) {
      g.setColor(UIManager.getColor("Label.disabledShadow"));
      SwingUtilities2.drawStringUnderlineCharAt(l, g, s,
          mnemonicIndex,
          textX + 1, textY + 1);
      g.setColor(UIManager.getColor("Label.disabledForeground"));
      SwingUtilities2.drawStringUnderlineCharAt(l, g, s,
          mnemonicIndex,
          textX, textY);
    } else {
      Color background = l.getBackground();
      g.setColor(background.brighter());
      SwingUtilities2.drawStringUnderlineCharAt(l, g, s, mnemonicIndex,
          textX + 1, textY + 1);
      g.setColor(background.darker());
      SwingUtilities2.drawStringUnderlineCharAt(l, g, s, mnemonicIndex,
          textX, textY);
    }
  }
}
